Pap, N., & Tóth, J. (2008). The role of religious and ethnic minorities in disintegration of the state structure of Western Balkans. Modern Geográfia, 3(1), 38–46.
State is a formation on the terra-surface, which has three basic peculiarities (in geographic sense), such as territoriality, presence of society of citizens and the entity of so called sovereign executive power that is acknowledged internationally. Series of social sciences deal with different aspects of term state. Political geography treats it as territorial phenomenon. According to wide, well known system of aspects, it studies and assesses the latitude, demarcation, the territorial structure of the population, the territorial concentration of power and the economic and electoral activity of the state, and the territorial and inter-settlement relations of these. If considering the territorial categories on longer period of time, certain regularities, models appear. However, state system is not stable, and it undergoes transformations during shorter or longer period of time.